/*
 * Copyright 2019 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 *
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.drools.model;

import java.util.Collection;

public interface Pattern<T> extends Condition {

    Variable<T> getPatternVariable();

    default DomainClassMetadata getPatternClassMetadata() {
        Variable<T> var = getPatternVariable();
        return var instanceof Declaration ? (( Declaration<T> ) var).getMetadata() : null;
    }

    Variable[] getInputVariables();

    Constraint getConstraint();

    Collection<Binding> getBindings();

    String[] getWatchedProps();

    boolean isPassive();
}
